renaywise5428 renaywise5428

21-03-2024
Mathematics

contestada

In a study of the accuracy of fast food drive-through orders, Restaurant A had 289 accurate orders and 63 that were not accurate. Construct a 90% confidence interval estimate of the percentage of accurate orders. What is the lower bound of the confidence interval?
a) 78.5%
b) 79.2%
c) 80.1%
d) 81.7%

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